The winning Connecticut Play3 numbers for October 21, 2019 were: day 8-2-3; night 5-3-7.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Oct 21, 2019 | Night | 5-3-7 | 15 | 6 |
| Oct 21, 2019 | Day | 8-2-3 | 13 | 4 |
| Oct 20, 2019 | Night | 7-7-7 | 21 | 3 |
| Oct 20, 2019 | Day | 6-5-1 | 12 | 3 |
| Oct 19, 2019 | Night | 3-5-2 | 10 | 1 |
| Oct 19, 2019 | Day | 4-5-9 | 18 | 9 |
| Oct 18, 2019 | Night | 7-0-2 | 9 | 9 |
| Oct 18, 2019 | Day | 6-2-3 | 11 | 2 |
| Oct 17, 2019 | Night | 2-1-2 | 5 | 5 |
| Oct 17, 2019 | Day | 8-2-4 | 14 | 5 |
| Oct 16, 2019 | Night | 5-3-4 | 12 | 3 |
| Oct 16, 2019 | Day | 4-4-0 | 8 | 8 |
| Oct 15, 2019 | Night | 0-7-0 | 7 | 7 |
| Oct 15, 2019 | Day | 1-7-6 | 14 | 5 |